This is the story of how a serious girl was seduced by a perverted idol and sexually developed. This time, the focus is on clitoral stimulation. ~~ Misaki Aika is a lowly office worker. One day, she is assigned as a support assistant to Kanade, a member of the company's popular idol group, 4ce. However, Kanade, who is known for his laid-back and soothing personality, is actually a pervert who loves sex and has a strong sexual appetite. Aika is tasked with watching over Kanade, who frequently visits his sex friends, to prevent him from causing any trouble during the tour, but she is at his mercy and ends up helping him satisfy his sexual desires. Kanade, on the other hand, enjoys seeing girls become wild during sex, and is eager to see how the serious Aika will change. She tells him it's work, and moves from a handjob to non-penetrative sex. He pushes her underwear aside and rubs her clit directly. As Aika desperately tries to endure her soaked state, Kanade's sexual desires are aroused, until he stimulates her clitoral stimulation to pleasure and develop her...